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Premium Member
The Wife and the Car
Joined
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2,053 Posts
Discussion Starter #1
Ok so I struck gold.
Found a supplier with both NPR and RIK rings.
NPR is cheaper by a few bucks.

The Dims BTW for my B15C2 Rings are.
first : 1.16mm
second :.92mm

I picked up the NPR set. But Have an option to swap them for RIK.
Was not able to source the OEM Rings.
 

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Registered
99 Hatch
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1,348 Posts
Can't comment on the RIK rings but, after 3 sets of NPR rings and never a leak or high leak down numbers I'd recommend them any day.
 

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Classic Man
Civic
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16,355 Posts
rdc hates NPR for some reason. why, i do not know.

but i do know ive used them in the last 4 or 5 motors ive built and have been VERY happy with them.
 
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